Door hinge



FIG. 1 is a front elevational view of a door hinge, showing our new design, the rear being a mirror image;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof; and,

FIG. 4 is a right side elevational view thereof. 

The ornamental design for a door hinge, as shown and described. 